Sony MHC-GRX30J Speakers, CD Player, Troubleshooting continued, There is severe hum or noise

Models: MHC-GRX30 MHC-GRX30J MHC-R550 MHC-RXD5

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Troubleshooting (continued)

Troubleshooting (continued)

•The protective device on the amplifier has been activated because of short circuit. (“PROTECT” and “PUSH POWER” flash alternately.) Turn off the unit, eliminate the short-circuit problem and turn on the power again.

•There is no audio output during timer recording.

There is severe hum or noise.

•A TV or VCR is placed too close to the stereo system. Move the stereo system away from the TV or VCR.

The sound from the connected source is distorted.

•If “VIDEO” appears in the display when you press FUNCTION, switch the display to “MD” (see “Note: Connecting a VCR”).

“0:00” (or “12:00”) flashes in the display.

•A power interruption occurred. Set the clock and timer settings again.

The timer does not function.

•Set the clock correctly.

DAILY 1, DAILY 2, and REC do not appear when you press the TIMER SELECT button.

•Set the timer correctly. •Set the clock.

The remote does not function.

•There is an obstacle between the remote and the system.

•The remote is not pointing in the direction of the system’s sensor.

•The batteries have run down. Replace the batteries.

There is acoustic feedback.

•Decrease the volume level.

•Move the microphone away form the speakers or change the direction of the microphone.

The color irregularity on a TV screen persists.

•Turn off the TV set once, then turn it on after 15 to 30 minutes. If the color irregularity still persists, place the speakers farther away from the TV set.

“PROTECT”and “PUSH POWER” appear alternately.

•A strong signal was input. Press There is severe hum or noise.The sound from the connected source is distorted.“0:00” (or “12:00”) flashes in the display.The timer does not function. to turn off the power, leave the system turned off for a while, then press The remote does not function.There is acoustic feedback.The color irregularity on a TV screen persists.“PROTECT”and “PUSH POWER” appear alternately. again to turn on the power.

Speakers

Sound comes from one channel or unbalanced left and right volume.

•Check the speaker connection and speaker placement.

Sound lacks bass.

•Check that the speaker’s + and – jacks are connected correctly.

CD Player

The CD tray does not close.

•The CD is not placed properly.

The CD will not play.

•The CD is not lying flat in the disc tray. •The CD is dirty.

•The CD is inserted label side down. •Moisture condensation has built up.

Remove the CD and leave the system turned on for about an hour until the moisture evaporates.

Play does not start from the first track.

•The player is in program or shuffle mode. Press PLAY MODE repeatedly until “PROGRAM” or “SHUFFLE” disappears.

“OVER” is displayed.

•You have reached the end of the CD. Press and hold 0to return.

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Sony MHC-GRX30J Speakers, CD Player, Troubleshooting continued, There is severe hum or noise, The timer does not function